it's braided earthed (74) on a side of a first (38) and a second coupling means (40) are connected by threads.the braided earthed (74) includes a plurality of flexible elements of judgment (92) based on the face of the other coupling means in order to establish an electrical connection between the first "(38) and second (40) coupling means when the surface is facing the t from axially towards one another.we have provided a plurality of recesses (72) in the second area, intended to operate in conjunction with the stopping means (92) to resist relative rotation with elasticity in the object in the opposite direction of the thread.
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